Silicon carbide theory density is 3.18 grams per cubic centimeter, its hardness is second only to's diamond, at 9.2-9.8 between, microhardness 3300 kg per cubic millimeter, because it has the high hardness and high wear resistance, high corrosion resistance and high temperature strength and other characteristics, be used for a variety of wear resistance, corrosion resistance and high temperature resistant machinery parts, is a new type of engineering ceramics new material.
